Disk caps are really
great for bypassing plate load resistors, in power supplies and as
treble bleed circuits.
They certainly have
their place in our tools for building amps and modifying guitars.
Very Old Les Paul's
often had a large .022 mfd amp cap as the tone cap.
"GE2720 10 pf"
"GE2231 22 pf" "GE1189 47pf" "Ge1109 100 pf" "Ge1264 150 pf" "Ge1106
250 pf" "GE1107 500 pf" "Ge6505 680 pf"